atomic 58 inch catamaran motor question

[cgd2175]

Thank you for the feedback,

[lenny]

I think Im going with the AquaStar T20 730KV from HobbyKing with the Castle Creations Hydra Ice 2 200HV ESC from OSE

What S cells were you thinking of running in the hull ?

[cgd2175]

8 to 10s with props from 55 to 60mm

[lenny]

You may want to try looking into running one of these 800kv motors in it,
Not sure if fastVee or Ray has any up dates about them or if anybody has done any testing with them yet.
http://hobbyking.com/hobbyking/store...tegory=663&pc=

http://forums.offshoreelectrics.com/...etition-Series

[Finest Racing]

All completed. The new ESC is installed. One set back was that I had to use a receiver pack. Took me about an hour to figure this out. I thought I had a problem with the ESC. The only pack I had laying around was a 3,000. I thought I had a smaller one. I will look this week. As of now, I am looking at Thursday to go out and see what will happen.
Atomik Inside01.jpg

[lenny]

What esc is that in the boat setup ?
http://www.offshoreelectrics.com/pro...-seaking-130HV
If it is the SK130a HV with 180a burst you better keep it propped down,
Till you know what amps you are pulling with that motor.
Because that motor will pull some high amps though that setup if you over prop it.
And are you going to be testing this setup on 8s to 10s ?

[Finest Racing]

I will be running 8s. Tomorrow my equipment will arrive to measure everything. Then I will know where I am at.
letrp8033.jpg

letrp9010.jpg

[lenny]

Ok cool,

Just did not want to hear about any smoke with this test run.

[Finest Racing]

I went out today. It was low 60's here in south central NJ. Unlikely that we will see that again till spring. The Atomik had a glitch on the first pass. The water feed line came off going to the water jacket. The boat filled up with some water. Brought it in, fixed the line, topped off the batteries, watched Ken fly around with his Genesis.
Reset the GPS, secure everything and try it again. Off the work bench into the water the boat appeared to be on the money. I was using two 4s 6000, 25~50c Turnigy Nano Tech batteries. I know they are under in the C rating. Surprised after a 3 to 4 minute full burst straight away runs, the batteries were at 85 degrees, the motor was at 90 and the ESC was at 88 degrees.
With the GPS tuning off but recording the max speed before turning off due to low battery, I recorded a max speed of 59.3mph. I was a very smooth ride. Ken did the video and Damen did the still photos. When I receive them, I will post.
All in all, I am happy. No tweaking was done today. I just enjoyed it. I will now tweak it a little to see if I can hit the magic number that we think it can hit (70mph).
I did roll it, which landed right side up. I think after the first roll - the battery tray separated. The boat was leaning when accelerating from a stop. After moving it would level out. The problem was when I would release the throttle the boat get loose. The boat rolled two more times - always landing right side up. No other damage or problems to report.
I did use the data recorder. I will check that tomorrow.

[cgd2175]

59mph...nice!!!!

[lenny]

Ok hey you guys, It has been two weeks now.

So what the hell happen ?

Do you need a flash light and a mirror to look for the data, pictures, video's that Damen & Ken have ?

[cgd2175]

I'm waiting the following items to try:
* T600 Outrunner (1400kv)
* Castle Creations Hydra ICE 240
With stock 54mm 3blade prop an 6s.

[lenny]

It well be nice to see how it runs with that setup in it.

Hey what kind of camcorder are you using when you are shooting vids ?

I'm waiting the following items to try:
* T600 Outrunner (1400kv)
* Castle Creations Hydra ICE 240
With stock 54mm 3blade prop an 6s.

[cgd2175]

My cellphone Samsung S2....why?

[lenny]

I was just thinking that you could get some better vids of all your stuff,
If you rigged it to you tx and followed all the action in the foreground instead of trying to say in front of the cam.

I shoot all my vids like this now when I need to,
Just aim the tx like a gun at the boat or what ever you are running.
It takes a little time to learn but works pretty good,
I still need to learn how to follow and zoom and drive at the same time with out screwing up the run.

camcorder 004.jpgcamcorder 002.jpgcamcorder 001.jpgcamcorder 003.jpg